<template>
	<!-- 结算组件 -->
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio" @click="changeAllState">
			<radio color="#c00000" :checked="isFullCheck" @click="aaa" /><text>全选</text>
		</label>
		<!-- 合计 -->
		<view class="amount-box">
			合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
		</view>
		<!-- 结算按钮 -->
		<view class="btn-settle" @click="settlement">
			结算（{{checkedCount}}）
		</view>

	</view>

</template>

<script>
	import {
		mapGetters,
		mapMutations,
		mapState
	} from 'vuex'
	export default {
		name: "my-settle",
		data() {
			return {
			//倒计时的秒数
			seconds:3,
			// 存储定时器的id
			timer:null
			};
		},
		computed: {
			...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
			...mapGetters('m_user', ['addstr']),
			...mapState('m_user', ['token']),
			...mapState('m_cart',['cart']),
			// 判断是否全选
			isFullCheck() {
				return this.total === this.checkedCount
			}
		},
		methods: {
			...mapMutations('m_cart', ['updateAllGoodsState']),
			...mapMutations('m_user',['updateRedirectInfo']),
			changeAllState() {
				this.updateAllGoodsState(!this.isFullCheck)
				// console.log(!this.isFullCheck)
			},
			// 全选与反全选click既可以绑定在label也可以绑定到radio组件中
			aaa() {
				// console.log(!this.isFullCheck)
			},
			// 用户点击了结算按钮,要进行地址,商品,登录的判断
			settlement() {
				if (!this.checkedCount) return uni.$showMsg('请选择商品！')
				if (!this.addstr) return uni.$showMsg('请选择收货地址！')
				// if (!this.token) return uni.$showMsg('请先登录！')
				if (!this.token) return this.delayNavigate()
				// 调用函数,进行订单创建
				this.payOrder()
				
			},
			async payOrder(){
				// 1创建订单
				// 1.1组织订单的信息对象
				const orderInfo={
					// 正常来说应该写this.checkedGoodsAmount,但是为了测试,统一写0.01元
					order_price:0.01,
					consignee_addr:this.addstr,
					goods:this.cart.filter(x=>x.goods_state).map(x=>({
						goods_id:x.goods_id,
						goods_number:x.goods_count,
						goods_price:x.goods_price
					}))
				}
				// 1.2发起请求创建订单
				const {data: res} = await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
				// console.log(res)
				if(res.meta.status!==200) return uni.$showMsg('创建订单失败！')
				// 1.3得到服务器响应的订单编号
				const orderNumber=res.message.order_number
				// console.log(orderNumber)
				// 2.订单的预支付
				// 2.1发起请求获取订单的支付信息
				const{data: res2} =await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number:orderNumber})
				// 2.2预付订单生成失败
				if(res2.meta.status!==200) return uni.$showMsg('预支付订单生成失败！')
				// 2.3得到订单支付相关的必要参数
				const payInfo=res2.message.pay
				// console.log(payInfo)
				// 3.发起微信支付
				// 3.1调用uni.requestPayment()发起微信支付
				const[err,succ]=await uni.requestPayment(payInfo)
				// 3.2未完成支付
				if(err) return uni.$showMsg('订单未支付！')
				// 3.3完成了支付,进一步查询支付的结果
				const{data:res3}= uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number:orderNumber})
				// 3.4检测到订单未支付
				if(res3.meta.status!==200) return uni.$showMsg('订单未支付！')
				// 3.5检测到订单支付完成
				uni.showToast({
					title:'订单支付完成！',
					icon:'success'
				})
			},
			// 延时导航到my页面
			delayNavigate(){
				this.seconds=3
				this.showTips(this.seconds)
				this.timer=setInterval(()=>{
					this.seconds--
					if(this.seconds<=0){
						clearInterval(this.timer)
						uni.switchTab({
							url:'/pages/my/my',
							success: () => {
							this.updateRedirectInfo({
								openType:'switchTab',
								from:'/pages/cart/cart'
							})	
							}
						})
						return
					}
					this.showTips(this.seconds)
				},1000)
			},
			// 展示倒计时的提示信息
			showTips(n) {
				uni.showToast({
					icon: 'none',
					title: '请登录后在进行结算' + n + '秒后自动跳转到登录页面',
					mask:true,
					duration:1500
				})
			}
		}
	}
</script>

<style lang="scss">
	.my-settle-container {
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
		height: 50px;
		background-color: white;
		display: flex;
		justify-content: space-between;
		align-items: center;
		font-size: 14px;
		padding-left: 5px;
	}

	.radio {
		display: flex;
		align-items: center;
	}

	.amount-box {
		.amount {
			color: #c00000;
			font-weight: bold;
		}
	}

	.btn-settle {
		background-color: #c00000;
		height: 50px;
		color: white;
		line-height: 50px;
		padding: 0 10px;
		min-width: 100px;
		text-align: center;
	}
</style>